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350-819-300-01, Revision 01

System Configuration

ELU-819 List 1

January 10, 2000

 31

M

ONITOR

 HDSL S

PAN

 S

CREENS

Table 8

 lists the information displayed in the Monitor HDSL Span 1 screen 

for Loop 1, LTU-1/NTU-1, and Loop 2, LTU-1/NTU-1.

Table 8.

Information Displayed in Monitor HDSL Span 1 Screen

Field

Description

Current Margin 
(dB) (MAR)

Indicates the excess signal-to-noise ratio relative to a 10

-7

 bit error 

rate. The normal range of a typical margin is from 6 to 22 dB, with a 
value of 6 dB corresponding to a predicted BER of 10

-10

.

Low Margin (dB)

Indicates the lowest margin since startup or the last 24-hour history 
clear.

High Margin (dB)

Indicates the highest margin since startup or the last 24-hour history 
clear.

Pulse Attenuation 
(dB)

Indicates the attenuation of the 2B1Q pulse from the distant end. This 
value is related to the cable pair loss at 292 KHz. The normal range of 
pulse attenuation is from 1 to 32 dB.

Errored Seconds 
(ES)

The number of one-second intervals in which at least one HDSL 
CRC-4 error or Loss of Sync Word (LOSW) is detected on the HDSL 
span during the last 24 hours.

Unavailable 
Seconds (UAS)

The number of seconds that the HDSL span is down during the last 24 
hours.

Pair Exchange

Indicates whether the HDSL pairs carrying the traffic are correctly 
connected or have been interchanged. The system automatically 
compensates for an interchange of pairs.

Loop 1 Tip/Ring 
Reversal

Indicates whether the two conductors of HDSL Loop 1 are correctly 
connected or have been interchanged. The system automatically 
compensates for an interchange of wire leads.

Loop 2 Tip/Ring 
Reversal

Indicates whether the two conductors of HDSL Loop 2 are correctly 
connected or have been interchanged by error. The system 
automatically compensates for an interchange of wire leads.

Clear 24 Hour 
History

Clears all 24-hour history counters (including G.703 values) and 
displays the date and time the error counters were last cleared.

Содержание 150-2230-01

Страница 1: ...NSTALLATION GUIDE PAIRGAIN TECHNOLOGIES INC ENGINEERING SERVICES SECTION 350 819 300 01 Model List Number Part Number CLEI Code ELU 819 1 150 2230 01 VACHNRXC R C V X M T STATUS HLU 819 H G HD I AIN L B R G L I N E B R G L I N E 1 ...

Страница 2: ...ain Technologies Inc and shall not be modified used copied reproduced or disclosed in whole or in part without the written consent of PairGain Information furnished by PairGain Technologies is believed to be accurate and reliable However no responsibility is assumed by PairGain Technologies for its use nor for any infringement of patents or other rights of third parties which may result from its u...

Страница 3: ...by small icons such as Key combinations to be pressed simultaneously are indicated with a plus sign as follows Three types of messages identified by icons appear in text Notes contain information about special circumstances Cautions indicate the possibility of equipment damage or personal injury The Electrostatic Discharge ESD Susceptibility symbol indicates that a device or assembly is susceptibl...

Страница 4: ...ractice 150 819 300 01 Provides functional description configuration performance monitoring and system maintenance information ERE 811 List 2 List 3 and List 4 Technical Practice 700 811 102 01 Provides installation specification interface and power connection information on the ERE 811 UTU 801 802 804 Lists 5 Technical Practice 700 801 905 01 Provides information on installation configuration and...

Страница 5: ...you must store the equipment for a prolonged period store the equipment in its original container SAFETY To ensure your safety when servicing and installing this equipment please take the following precautions Input voltage for the UTU 801 UTU 802 and UTU 804 List 5 line units nominal 48 Vdc tolerance 36 to 72 Vdc must be supplied by an isolated DC source that complies with TNV or earthed SELV req...

Страница 6: ...Safety 350 819 300 01 Revision 01 vi January 10 2000 ELU 819 List 1 ...

Страница 7: ... Jumper Settings 8 UTU Installation 10 HDSL Startup and Synchronization _______________________ 12 System Configuration____________________________________ 13 Maintenance Terminal Connection 14 Logging On 16 Navigating Menus 17 Console Screen Menu Structure 19 System Settings 21 LTU ELU 819 and NTU UTU 801 802 or 804 Interface Settings 23 Reading the Console Screens 26 Viewing Status 26 Main Conso...

Страница 8: ... 300 01 Revision 01 viii January 10 2000 ELU 819 List 1 Appendix C Product Support_____________________________34 Technical Support 34 World Wide Web 34 Returns 35 Certification and Warranty _________________ Inside Back Cover ...

Страница 9: ...o Dual Port Operation 1 2 ELU 819 List 1 Front Panel 3 3 E1 G 703 Access Jacks 5 4 Installing the ELU 819 into a 3192 Shelf 7 5 Jumper Locations 8 6 Installing a UTU into the ERE 811 Remote Enclosure 10 7 ERE 811 List 2 Rear Panel 11 8 HMU 319 Craft Port and Maintenance Terminal Connector Pinouts 15 9 Console Screen Menu Structure 19 ...

Страница 10: ...cription 4 2 Console Screen Navigation Keys 17 3 Console Screen Menus 20 4 Settings in Config System Settings Menu 21 5 Settings in Config LTU and NTU Interface Menus 23 6 Information Displayed in Main Console Screen 27 7 Information in Monitor LTU and NTU Interface Screens 30 8 Information Displayed in Monitor HDSL Span 1 Screen 31 ...

Страница 11: ...S 449 X 21 or RS 530 ports to the customer see Figure 1 The ELU 819 accepts the respective payloads through a E1 port from a multiplexer or a cross connect shelf and transports it to the UTU 801 List 5 UTU 802 List 5 or UTU 804 List 5 at a maximum data rate of up to 2 048 Mbps An internal time slot assignment function splits the E1 bandwidth between these two ports as two Nx64K tributaries Figure ...

Страница 12: ...ignal attenuation of 35 dB at 292 kHz with 135 Ω terminations and assume the presence of noise according to the model described in ETSI specification TS 101 135 The expected Bit Error Rate BER under this noise model is less than 1x10 7 The reach of the system in such a noise environment is 2 8 km 1 74 miles over 0 4 mm 26 American Wire Gauge AWG or 3 35 km 2 08 miles over 0 51 mm 24 AWG twisted pa...

Страница 13: ...9 List 1 January 10 2000 3 FRONT PANEL Figure 2 shows the ELU 819 front panel Table 1 on page 4 describes the front panel components A diagram of the line and bridging access jacks is shown in Figure 3 on page 5 Figure 2 ELU 819 List 1 Front Panel ...

Страница 14: ...dging jack access to XMT and RCV at the E1 interface Allows the two E1 payloads to be monitored LINE Provides splitting jack access to Transmit XMT and Receive RCV at the E1 interface Breaks the XMT and RCV paths to permit test signal insertion and retrieval CLEI and ECI bar code label located on the side of the unit Provides the human readable Common Language Equipment Identifier CLEI code number...

Страница 15: ...350 819 300 01 Revision 01 Front Panel ELU 819 List 1 January 10 2000 5 Figure 3 E1 G 703 Access Jacks ...

Страница 16: ...s Alternating Current VAC or 48 Vdc power The remote unit must be set up independently from the CO terminal if the HDSL loops are down and the remote is powered locally Shelf and remote enclosure chassis ground must be connected to earth ground to protect the equipment and for safety of personnel Additional protection is required when the network side of the equipment is extended to an outside fac...

Страница 17: ... the ELU 819 into a 3192 Shelf 1 Align the ELU 819 with the enclosure slot guides and slide the unit in Figure 4 2 Push the unit back until it touches the backplane card edge connector and is firmly seated Once the ELU 819 is in place it is automatically configured as an LTU which displays on the maintenance terminal console screens ...

Страница 18: ...TO THE ERE 811 REMOTE ENCLOSURE UTU Jumper Settings Jumpers must be set on the UTU units if using a 120 Ω interface or if grounding your G 703 cables at the data port on the shelf or remote enclosure The locations of these jumpers P8 P11 and P12 are shown in Figure 5 Figure 5 Jumper Locations ...

Страница 19: ...one of the following Do not install a jumper This is the factory setting and provides the standard G 703 input port interface Cable grounding is not used Short P8 pins 1 and 2 if grounding the screen of the 120 Ω cable Short P8 pins 2 and 3 if grounding the outer conductor of the 75 Ω input cable 2 Jumpers P11 and P12 configure the line unit for use with a 75 Ω or 120 Ω G 703 interface see Figure ...

Страница 20: ...e enclosure opening Figure 6 2 Push the card into the enclosure until the front panel is flush with the front of the enclosure 3 Tighten the captive screws 4 Connect the E1 port cable DB 15F see Figure 7 on page 11 if applicable The ECA 806 List 1 DB 15M to RJ 45C and the ECA 808 List 1 DB 15M to RJ 45X adapters can be used when connecting the cable Captive screw H G I AIN ETSI Slot guides Line ca...

Страница 21: ... 1 DB 25M to DB 37F RS 449 V 36 6 Connect the HDSL line port cable DB 9F Figure 7 The UTU defaults as an NTU which displays on the maintenance terminal console screens after HDSL startup and synchronization Figure 7 ERE 811 List 2 Rear Panel HDSL line DB9F Data port DB25F 75 Ohm G 703 in BNC 75 Ohm G 703 out BNC 120 Ohm G 703 DB15F 100 240v 50 60Hz 0 3A Power cord connector DATA PORT 120 OHM ALARM...

Страница 22: ... receive data The unit can now be configured through the maintenance terminal console screen menus The Status LED continues to flash If the LED does not stop flashing after approximately one minute it indicates that the HDSL pair corresponding to the indicator is experiencing an excessive signal loss or is in an open condition Check the line and repair if necessary HMU 319 List 7A must be loaded w...

Страница 23: ...l Area Network LAN connected to the chassis The console screens cannot be accessed through the ELU 819 because this model does not provide a craft port After HDSL establishes communication with the remote unit the HDSL system can be configured and performance monitored from the HMU 319 management unit The ELU 819 and UTUs are configured at this time from the same maintenance screens If the HDSL li...

Страница 24: ... the front panel craft port of the HMU 319 The pinouts for the craft port and maintenance terminal connectors are shown in Figure 8 on page 15 2 Configure the maintenance terminal for the following communication settings VT100 emulation or ANSI if VT100 is not available Clear the modem initialization string if supported by the terminal Bits per second 9600 recommended Data bits 8 Parity None Stop ...

Страница 25: ...350 819 300 01 Revision 01 System Configuration ELU 819 List 1 January 10 2000 15 Figure 8 HMU 319 Craft Port and Maintenance Terminal Connector Pinouts ...

Страница 26: ...in the Enter Password field then press The Enter Password field may be changed by the user This action logs the user into the TL1 command environment 5 Type TAO at the prompt then press This opens the Terminal Access Option TAO 6 Select the number of the shelf that contains the ELU card you want to configure 7 Select the slot number of the ELU 819 to log onto this unit and display the console scre...

Страница 27: ...ress the key on Config to access the Config dropdown menu Or press the and keys to highlight a sub menu item then press to select the item key Provides same function as the key and keys Moves horizontally across the Menu bar except when in a text entry field and moves up one line and moves down one line on the History screens and performs page down and performs page up functions on the History scr...

Страница 28: ...ections on the current screen Press twice for numeric changes to take effect When editing a text field however the first terminates editing and a second applies any changes Because the system will not accept invalid configurations some settings will not be allowed Verify that all new settings remain set after the highlighted cursor is moved from the selection being changed Table 2 Console Screen N...

Страница 29: ... shows one or more screens Table 3 on page 20 describes the dropdown menus selected from the Console screen For a detailed explanation of the screens refer to the technical practice See Documentation on page iv Figure 9 Console Screen Menu Structure Password Screen Main Test Inventory Quit Help Monitor History Config Clear 24 our History H Clear 7 ay History D Clear larm History A S stem Settings ...

Страница 30: ...orms any of the following system functions View or change global operating parameters for the system View or change LTU interface HDSL span or NTU interface operating parameters View or change alarm parameters Set the time and date Set or change the unit password Change the circuit ID number Configure terminal display Set all operating parameters to factory defaults Test Performs any of the follow...

Страница 31: ...SP System operates in time slot prioritization mode Time slots 1 through 15 transport high priority traffic over Loop 1 time slots 16 through 31 transport low priority traffic over Loop 2 If a loop fails time slots 1 through 15 are sent over the active loop The NTU must be locally powered Remote Power Feed must be set to NONE SINGLE System operates in single pair mode using time slots 1 through 15...

Страница 32: ...stem settings BLOCKED NTU console screens are read only The LOC and REM pushbuttons on the NTU are also disabled System settings can be made only from the LTU console screen A remote user is unable to log on either initially or after quitting the screen if the system setting is set to BLOCKED If the system setting is changed to BLOCKED while the remote user is logged on the screen changes to read ...

Страница 33: ...h unchanged at the G 703 port IDLE Inserts the user selected idle code into time slot 16 at the G 703 port Idle Code Select a transmit idle code for insertion into unused time slots 00 to FF Idle code from 00 to FF transmits unused time slots from G 703 port Data Rate of TSs a Specify the G 703 transmit data rate as the number of kbps or the number of Nx64K time slots 64 to 2048 kbps or 0 to 32 ti...

Страница 34: ... rate and starting timeslot of both ports must be compatible or the selection will not be allowed Beginning TS a Enter the number of the beginning time slot for the transmitted serial data Options are time slots 1 to 31 in STRUCT framed application mode and time slot 0 in UNSTRUCT unframed mode The factory default setting is time slot 0 Transmit Clock Specify the transmit data SD clock as External...

Страница 35: ...rol signals ENA LTU and NTU respond to LL and RL control signals Status of local and remote loopbacks appears on the Test display a The number of time slots selected for the G 703 port determines the number of time slots remaining for the Nx64K port and may determine the beginning time slot for the Nx64K port in NTU only Overlapping time slots are not allowed Table 5 Settings in Config LTU and NTU...

Страница 36: ...sing TAO to access the ELU 819 MAIN CONSOLE SCREEN The main console screen displays a summary of LTU and NTU circuit configuration as well as performance statistics and alarm status for each interface Table 6 on page 27 lists the information displayed in each field of the main console screen For proper operation only NTUs will connect to LTUs When entering a number on the screen for example a time...

Страница 37: ... application interface RPF WETTING Indicates RPF or WETTING mode for Remote Power Feed Nothing is shown when NONE is selected Timing No selection available G 703 Clock extracted from G 703 data stream CRC4 Mode N A CAS Mode Select the multiframe alignment mode for the G 703 interface INSERT Inserts a multiframe alignment code into time slot 16 of frame 0 and 11011101 into time slot 16 of frames 1 ...

Страница 38: ...erface Possible LTU and NTU Interface alarms LOS Loss of signal at the G 703 or V 36 X 21 RS 530 RS 449 or V 35 input LFA Loss of frame alignment at the G 703 input framed mode only AIS Alarm Indication Signal unframed all ones received at the G 703 input RAI Remote Alarm Indication signal received at the G 703 input framed mode only LOC Loss of clock when EXT timing is used The external clock was...

Страница 39: ...anuary 10 2000 29 MONITOR SCREENS The monitor screens display the signal activity and Performance Monitor PM counts at the G 703 LTU ELU 819 and NTU UTU 801 UTU 802 or UTU 804 G 703 and Nx64K ports Table 7 on page 30 lists each field and a description of that field ...

Страница 40: ...s representing the non SESs are removed from the UAS counter Bipolar Violation Seconds Cumulative The number of seconds in which bipolar violations are detected at the G 703 port since error counters were last cleared Clear 24 Hour History The date and time that the 24 hour histories were last cleared display here To clear all 24 hour history counters including HDSL press or This action must be co...

Страница 41: ...rmal range of pulse attenuation is from 1 to 32 dB Errored Seconds ES The number of one second intervals in which at least one HDSL CRC 4 error or Loss of Sync Word LOSW is detected on the HDSL span during the last 24 hours Unavailable Seconds UAS The number of seconds that the HDSL span is down during the last 24 hours Pair Exchange Indicates whether the HDSL pairs carrying the traffic are correc...

Страница 42: ...C 5 0 watts Environmental Operating temperature 0 C to 50 C Operating humidity 5 to 95 non condensing Altitude 197 ft 60 m below sea level to 13 123 ft 4000 m above sea level Mounting 3192 type HiGain Management Shelf HMS Dimensions Height 4 75 in 12 1 cm Width 0 625 in 1 59 cm Depth 10 0 in 25 4 cm Weight 75 lb 34 kg Output Signal E1 to T1 403 1989 HDSL to ETSI Specification TS101 135 ...

Страница 43: ... HiGain ETSI shelves and enclosures EMS 830 Exchange Office Management Shelf rear connector access part number 150 1400 01 EMS 831 Exchange Office Management Shelf front connector access part number 150 1401 01 EMS 832 Exchange Office Management Shelf front connector access part number 150 1402 01 ERE 811 List 2 Single Slot Remote Enclosure with internal ac power supply part number 150 1411 02U Th...

Страница 44: ...y by a Customer Service Engineer At other times a request for technical assistance is handled by an on duty Customer Service Engineer through a callback process This process normally results in a callback within 30 minutes of initiating the request WORLD WIDE WEB PairGain product and company information can be found at http www pairgain com using any Web browser To download PairGain product manual...

Страница 45: ...rgain com 3 Include the following information in writing along with the equipment you are returning Company name and address Contact name and telephone number The shipping address to which PairGain should return the repaired equipment The original purchase order number A description of the equipment that includes the model and part number of each unit being returned as well as the number of units ...

Страница 46: ...ping carton 5 Write PairGain s address and the RMA Number you received from the RMA Department clearly on the outside of the carton and return to PairGain Technologies Inc 14352 Franklin Ave Tustin CA 92780 7013 Attention RMA Number All shipments are to be returned prepaid PairGain will not accept any collect shipments ...

Страница 47: ... replace it with another unit and return the faulty unit to PairGain for repair Any modifications of the unit by anyone other than an authorized PairGain representative voids the warranty If a unit needs repair call PairGain for a Return Material Authorization RMA number and return the defective unit freight prepaid along with a brief description of the problem to PairGain Technologies Inc 14352 F...

Страница 48: ...Corporate Office 14402 Franklin Avenue Tustin CA 92780 7013 Tel 714 832 9922 Fax 714 832 9924 For Technical Assistance 800 638 0031 ...

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